JS如何判断字符串或数组包含内容?
const array1 = [1, 2, 3];
console.log(array1.includes(2));
// 预期输出: true
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// 预期输出: true
console.log(pets.includes('at'));
// 预期输出: false
const string1 = "taeas,wiki"
console.log(string1.includes('taeas'));
// 预期输出: true
转载自:https://segmentfault.com/a/1190000041367260